It is my understanding that this ID label is a built-in, "intrinsic" label for Prometheus. It is not a target label.
On Sunday, April 3, 2022 at 9:47:12 PM UTC+3 [email protected] wrote: > Hi, > > Is the label really a label coming directly from the instrumentation, that > is, the target's /metrics page, or is it a target label (in which case > you'll want to use relabel_configs, not metric_relabel_configs)? What kind > of ID is it? > > Regards, > Julius > > On Sun, Apr 3, 2022 at 8:33 PM GI D <[email protected]> wrote: > >> Thanks for answering, >> Following what you wrote, I now have the following multiple times in my >> config: >> >> metric_relabel_configs: >> - separator: ; >> regex: id >> replacement: $1 >> action: labeldrop >> >> However, and after restarting the Prometheus stateful set, in my TSDB >> status the ID label is still there, with the same cardinality as before, in >> the table titled: "Top 10 label names with high memory usage" >> >> Please advise. >> >> >> >> On Friday, April 1, 2022 at 10:22:26 PM UTC+3 [email protected] >> wrote: >> >>> To drop a label from a series during the scrape, you need the >>> "labeldrop" action ("drop" drops the entire series), see >>> https://training.promlabs.com/training/relabeling/writing-relabeling-rules/keeping-and-dropping-labels >>> >>> However, just dropping a label that is required to distinguish series >>> from each other will cause you problems if that results in multiple time >>> series now having the same labelset identity after the relabeling. Maybe >>> your intent is to aggregate over multiple series instead? >>> >>> On Fri, Apr 1, 2022 at 7:02 PM GI D <[email protected]> wrote: >>> >>>> <https://stackoverflow.com/posts/71690642/timeline> >>>> >>>> Running Prometheus on K8s v1.20 on AWS/EKS, In my v33 Helm chart I need >>>> to drop the ID label in order to reduce the TSDB size. According to this >>>> article >>>> <https://grafana.com/blog/2022/03/21/how-relabeling-in-prometheus-works/>, >>>> this can be done with Metric Relabelings. So in all relevant sections of >>>> the values file I have the following: >>>> metricRelabelings: >>>> - sourceLabels: [id] >>>> action: "drop" >>>> >>>> In the resulting Prometheus config that I can see in the web GUI on >>>> port 9090, this gets translated (again in all relevant sections) as >>>> follows: >>>> metric_relabel_configs: >>>> - source_labels: [id] >>>> separator: ; >>>> regex: (.*) >>>> replacement: $1 >>>> action: drop >>>> >>>> However in the TSDB status in the GUI the "id" label is still there, >>>> with the same cardinality as before the attempt to drop it. >>>> >>>> What am I missing? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Prometheus Users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/prometheus-users/06058e34-00e4-4034-a572-bb45098f7d3en%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/prometheus-users/06058e34-00e4-4034-a572-bb45098f7d3en%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> Julius Volz >>> PromLabs - promlabs.com >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Prometheus Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/prometheus-users/8d45baf5-e25c-474d-8f7a-b30a6035a48cn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/prometheus-users/8d45baf5-e25c-474d-8f7a-b30a6035a48cn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Julius Volz > PromLabs - promlabs.com > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/d01dcffb-b0ee-4849-b085-25d7a6ee295an%40googlegroups.com.
